Home / 21,801,493.80-30,085,783.26-11,878,790.04

Finding the Fourth Proportional to 21,801,493.80, 30,085,783.26 and 11,878,790.04

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Solution

The fourth proportional to 21,801,493.80, 30,085,783.26 and 11,878,790.04 is: 16,392,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,801,493.80 : 30,085,783.26 = 11,878,790.04 : x
  2. Step 2: Convert to fraction form
    21,801,493.80/30,085,783.26 = 11,878,790.04/x
  3. Step 3: Cross multiply
    21,801,493.80x = 30,085,783.26 × 11,878,790.04
  4. Step 4: Simplify right side
    21,801,493.80x = 357,382,702,534,486.75
  5. Step 5: Solve for x
    x = 357,382,702,534,486.75/21,801,493.80
  6. Step 6: Final answer
    x = 16,392,578.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.